Used for light fastness , weather fastness and ageing test of all kinds if coloured textiles .
Used for light fastness , weather fastness and ageing test of all kinds if coloured textiles .
用于各种纺织的染色牢度、耐气候色牢度及光老化试验。
Used for light fastness , weather fastness and ageing test of all kinds if coloured textiles .
用于各种纺织的染色牢度、耐气候色牢度及光老化试验。